Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

ACQUISITIONS (Details) $ in Millions	6 Months Ended
ACQUISITIONS (Details) $ in Millions	Jun. 30, 2020 USD ($) a	Jun. 30, 2019 USD ($) a	Dec. 31, 2019 a
Business Acquisition [Line Items]
Mineral properties, net royalty acres	24,714		24,304
Mineral interests in Permian Basin
Business Acquisition [Line Items]
Mineral interests acquired, gross acres (in acre)	4,948
Mineral interests acquired, net royalty acres (in acre)	410
Aggregate purchase price \| $	$ 63.4
Miscellaneous Mineral Interests Acquired
Business Acquisition [Line Items]
Mineral interests acquired, net royalty acres (in acre)		1,028
Aggregate purchase price \| $		$ 126.9